281 lines
11 KiB
C#
281 lines
11 KiB
C#
using AutoMapper;
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using DMS.Application.DTOs;
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using DMS.Application.Interfaces;
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using DMS.Application.Interfaces.Database;
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using DMS.Core.Interfaces;
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using DMS.Core.Models;
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namespace DMS.Application.Services.Database;
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/// <summary>
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/// 变量应用服务，负责处理变量相关的业务逻辑。
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/// 实现 <see cref="IVariableAppService"/> 接口。
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/// </summary>
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public class VariableAppService : IVariableAppService
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{
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private readonly IRepositoryManager _repoManager;
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private readonly IMapper _mapper;
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/// <summary>
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/// 构造函数，通过依赖注入获取仓储管理器和AutoMapper实例。
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/// </summary>
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/// <param name="repoManager">仓储管理器实例。</param>
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/// <param name="mapper">AutoMapper 实例。</param>
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public VariableAppService(IRepositoryManager repoManager, IMapper mapper)
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{
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_repoManager = repoManager;
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_mapper = mapper;
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}
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/// <summary>
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/// 异步根据ID获取变量数据传输对象。
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/// </summary>
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/// <param name="id">变量ID。</param>
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/// <returns>变量数据传输对象。</returns>
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public async Task<Variable> GetVariableByIdAsync(int id)
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{
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var variable = await _repoManager.Variables.GetByIdAsync(id);
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return variable;
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}
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/// <summary>
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/// 异步根据OPC UA NodeId获取变量数据传输对象。
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/// </summary>
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/// <param name="opcUaNodeId">OPC UA NodeId。</param>
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/// <returns>变量数据传输对象。</returns>
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public async Task<Variable?> GetVariableByOpcUaNodeIdAsync(string opcUaNodeId)
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{
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var variable = await _repoManager.Variables.GetByOpcUaNodeIdAsync(opcUaNodeId);
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return variable ;
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}
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/// <summary>
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/// 异步根据OPC UA NodeId列表获取变量数据传输对象列表。
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/// </summary>
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/// <param name="opcUaNodeIds">OPC UA NodeId列表。</param>
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/// <returns>变量数据传输对象列表。</returns>
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public async Task<List<Variable>> GetVariableByOpcUaNodeIdsAsync(List<string> opcUaNodeIds)
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{
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var variables = await _repoManager.Variables.GetByOpcUaNodeIdsAsync(opcUaNodeIds);
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return variables;
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}
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/// <summary>
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/// 异步获取所有变量数据传输对象列表。
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/// </summary>
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/// <returns>变量数据传输对象列表。</returns>
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public async Task<List<Variable>> GetAllVariablesAsync()
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{
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var variables = await _repoManager.Variables.GetAllAsync();
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return _mapper.Map<List<Variable>>(variables);
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}
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/// <summary>
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/// 异步创建一个新变量（事务性操作）。
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/// </summary>
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/// <param name="variable">要创建的变量数据传输对象。</param>
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public async Task<Variable> CreateVariableAsync(Variable variable)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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var addedVariable = await _repoManager.Variables.AddAsync(variable); await _repoManager.CommitAsync();
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return _mapper.Map<Variable>(addedVariable);
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException($"创建变量时发生错误，操作已回滚,错误信息:{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 异步更新一个已存在的变量（事务性操作）。
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/// </summary>
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/// <param name="variable">要更新的变量数据传输对象。</param>
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public async Task<int> UpdateVariableAsync(Variable variable)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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var existingVariable = await _repoManager.Variables.GetByIdAsync(variable.Id);
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if (existingVariable == null)
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{
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throw new ApplicationException($"Variable with ID {variable.Id} not found.");
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}
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_mapper.Map(variable, existingVariable);
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int res = await _repoManager.Variables.UpdateAsync(variable);
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await _repoManager.CommitAsync();
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return res;
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException($"更新变量时发生错误，操作已回滚,错误信息:{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 异步批量更新变量（事务性操作）。
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/// </summary>
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/// <param name="variables">要更新的变量数据传输对象列表。</param>
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/// <returns>受影响的行数。</returns>
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/// <exception cref="ApplicationException">如果更新变量时发生错误。</exception>
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public async Task<int> UpdateVariablesAsync(List<Variable> variables)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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int totalAffected = 0;
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foreach (var variable in variables)
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{
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var existingVariable = await _repoManager.Variables.GetByIdAsync(variable.Id);
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if (existingVariable == null)
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{
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throw new ApplicationException($"Variable with ID {variable.Id} not found.");
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}
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_mapper.Map(variable, existingVariable);
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int res = await _repoManager.Variables.UpdateAsync(existingVariable);
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totalAffected += res;
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}
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await _repoManager.CommitAsync();
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return totalAffected;
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException($"批量更新变量时发生错误，操作已回滚,错误信息:{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 异步删除一个变量（事务性操作）。
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/// </summary>
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/// <param name="id">要删除变量的ID。</param>
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/// <returns>如果删除成功则为 true，否则为 false。</returns>
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/// <exception cref="InvalidOperationException">如果删除变量失败。</exception>
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/// <exception cref="ApplicationException">如果删除变量时发生其他错误。</exception>
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public async Task<bool> DeleteVariableAsync(int id)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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var delRes = await _repoManager.Variables.DeleteByIdAsync(id);
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if (delRes == 0)
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{
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throw new InvalidOperationException($"删除变量失败：变量ID:{id}，请检查变量Id是否存在");
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}
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await _repoManager.CommitAsync();
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return true;
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException($"删除变量时发生错误，操作已回滚,错误信息:{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 异步批量删除变量（事务性操作）。
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/// </summary>
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/// <param name="ids">要删除的变量ID列表。</param>
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/// <returns>如果删除成功则为 true，否则为 false。</returns>
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/// <exception cref="ArgumentException">如果ID列表为空或null。</exception>
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/// <exception cref="ApplicationException">如果删除变量时发生错误。</exception>
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public async Task<bool> DeleteVariablesAsync(List<int> ids)
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{
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if (ids == null || !ids.Any())
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{
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throw new ArgumentException("变量ID列表不能为空", nameof(ids));
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}
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try
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{
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await _repoManager.BeginTranAsync();
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// 批量删除变量
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var deletedCount = await _repoManager.Variables.DeleteByIdsAsync(ids);
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// 检查是否所有变量都被成功删除
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if (deletedCount != ids.Count)
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{
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throw new InvalidOperationException($"删除变量失败：请求删除 {ids.Count} 个变量，实际删除 {deletedCount} 个变量");
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}
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await _repoManager.CommitAsync();
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return true;
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException($"批量删除变量时发生错误，操作已回滚,错误信息:{ex.Message}", ex);
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}
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}
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public async Task<List<Variable>> BatchImportVariablesAsync(List<Variable> variables)
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{
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try
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{
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var variableModels = _mapper.Map<List<Variable>>(variables);
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var addedVariables = await _repoManager.Variables.AddBatchAsync(variableModels);
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return _mapper.Map<List<Variable>>(addedVariables);
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}
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catch (Exception ex)
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{
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throw new ApplicationException($"批量导入变量时发生错误,错误信息:{ex.Message}", ex);
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}
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}
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public async Task<List<Variable>> FindExistingVariablesAsync(IEnumerable<Variable> variablesToCheck)
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{
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if (variablesToCheck == null || !variablesToCheck.Any())
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{
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return new List<Variable>();
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}
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var names = variablesToCheck.Select(v => v.Name).Where(n => !string.IsNullOrEmpty(n)).Distinct().ToList();
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var s7Addresses = variablesToCheck.Select(v => v.S7Address).Where(a => !string.IsNullOrEmpty(a)).Distinct().ToList();
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var opcUaNodeIds = variablesToCheck.Select(v => v.OpcUaNodeId).Where(id => !string.IsNullOrEmpty(id)).Distinct().ToList();
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var allVariables = await _repoManager.Variables.GetAllAsync();
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var existingVariablesFromDb = allVariables.Where(v =>
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(names.Any() && !string.IsNullOrEmpty(v.Name) && names.Contains(v.Name)) ||
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(s7Addresses.Any() && !string.IsNullOrEmpty(v.S7Address) && s7Addresses.Contains(v.S7Address)) ||
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(opcUaNodeIds.Any() && !string.IsNullOrEmpty(v.OpcUaNodeId) && opcUaNodeIds.Contains(v.OpcUaNodeId)))
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.ToList();
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if (existingVariablesFromDb == null || !existingVariablesFromDb.Any())
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{
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return new List<Variable>();
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}
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var existingNames = new HashSet<string>(existingVariablesFromDb.Select(v => v.Name).Where(n => !string.IsNullOrEmpty(n)));
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var existingS7Addresses = new HashSet<string>(existingVariablesFromDb.Select(v => v.S7Address).Where(a => !string.IsNullOrEmpty(a)));
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var existingOpcUaNodeIds = new HashSet<string>(existingVariablesFromDb.Select(v => v.OpcUaNodeId).Where(id => !string.IsNullOrEmpty(id)));
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var result = existingVariablesFromDb.Where(v =>
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(names.Any() && !string.IsNullOrEmpty(v.Name) && names.Contains(v.Name)) ||
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(s7Addresses.Any() && !string.IsNullOrEmpty(v.S7Address) && s7Addresses.Contains(v.S7Address)) ||
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(opcUaNodeIds.Any() && !string.IsNullOrEmpty(v.OpcUaNodeId) && opcUaNodeIds.Contains(v.OpcUaNodeId)))
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.ToList();
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return result;
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}
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public async Task<Variable?> FindExistingVariableAsync(Variable variableToCheck)
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{
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if (variableToCheck == null)
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{
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return null;
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}
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// 创建一个包含单个元素的列表以便复用现有的逻辑
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var variablesToCheck = new List<Variable> { variableToCheck };
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var existingVariables = await FindExistingVariablesAsync(variablesToCheck);
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// 如果找到了匹配的变量，返回第一个（也是唯一一个）
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return existingVariables.FirstOrDefault();
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}
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} |